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These humidity controllers are perfect to use for controlling the humidity in your grow to the absolute perfect degree. Connect your humidifier or extractor, input what your perfect humidity level is, and the controller will take care of the rest.
Use a humidity controller in your grow in order to keep your grow just as humid, or not, as you need it to be – extremely simple.
You can program it to work when humidity gets too low (humidifying mode that works by connecting the humidifier to the controller) or too high (dehumidifying mode, which works by connecting a dehumidifier or extractor).
To program it, when it’s off, hold down the On button and press the downward arrow – you’ll either see drops or a flame. The drops mean that it’ll work with the humidifier, turning it one once the humidity levels get too low.
The flame indicates it is ready to be used with an extractor or dehumidifier in order to decrease humidity automatically when needed.
It has a digital screen that shows you how humid your grow room/tent is, controlling any connected devices with extreme precision.
Cornwall Humidity Controller